3DX7

Crystal Structure of HLA-B*4403 presenting 10mer EBV antigen

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	Citrate, Ammonium Acetate, PEG 4000, pH 5.6, vapor diffusion, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.5	50.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.411	α = 90
b = 81.791	β = 90
c = 109.01	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MAR CCD 165 mm		2007-03-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.00	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.6	109.11				59003	59003

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	109.11	58846	2977	97.56	0.184	0.184	0.183	0.21	RANDOM	21.014

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.48			-0.2		0.67

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.214
r_dihedral_angle_4_deg	14.188
r_dihedral_angle_3_deg	11.879
r_dihedral_angle_1_deg	5.443
r_scangle_it	3.165
r_scbond_it	2.423
r_mcangle_it	1.68
r_mcbond_it	1.388
r_angle_refined_deg	1.119
r_angle_other_deg	0.802
r_mcbond_other	0.266
r_symmetry_vdw_other	0.247
r_nbd_other	0.192
r_nbd_refined	0.19
r_nbtor_refined	0.178
r_symmetry_vdw_refined	0.177
r_symmetry_hbond_refined	0.112
r_xyhbond_nbd_refined	0.097
r_nbtor_other	0.081
r_chiral_restr	0.076
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3175
Nucleic Acid Atoms
Solvent Atoms	401
Heterogen Atoms	28

Software

Software
Software Name	Purpose
MOSFLM	data reduction
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction